knee              package:DierckxSpline              R Documentation

_k_n_e_e _f_l_e_x_i_o_n-_e_x_t_e_n_s_i_o_n _d_u_r_i_n_g _w_a_l_k_i_n_g

_D_e_s_c_r_i_p_t_i_o_n:

     rotation of the knee throughout a walking cycle.

_U_s_a_g_e:

     data(knee)

_F_o_r_m_a_t:

     a data.frame with the following columns:


   _p_e_r_c_e_n_t percent of the cycle

   _d_e_g_r_e_e Knee flexion in degrees.

_D_e_t_a_i_l_s:

     Example used in Dierckx (1993)

_S_o_u_r_c_e:

     Soudan, K., and Dierckx, P. (1979) Calculation of derivatives and
     Fourier coefficients of human motion data, while using spline
     functions, _ACM Transactions on Mathematical Software_, 4:
     290-294.

     Dierckx, Paul (1993), _Curve and Surface Fitting with Splines_,
     Springer.

